Cyclic loading test of self-centering precast segmental concrete high-speed railway bridge columns with UHPC-filled duct connections

Zhen Wang,Laijian Song, Chuansong Gao,Jingquan Wang, Shuai Zhang, Wei Su,Guotang Zhao,Jian Zhang

Engineering Structures(2023)

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摘要
•A new self-centering precast segmental concrete HSR bridge column is proposed.•UHPC, large-diameter deformed bars, and inter-locking multi-hoops are adopted.•A quasi-static test is to study prefabrication feasibility and seismic behavior.•UHPC-filled duct connections can cause strain amplification of ED bars at joints.•The bridge columns can control residual drift in an allowable range before failure.
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